ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,389, issued on Oct. 7, was assigned to Ceibo Inc. (Santiago, Chile).
"System and process for progressive refractory ore transformation for copper leaching" was invented by Alejandro Horacio Cartagena Fagerstrom (Santiago, Chile), Catalina Urrejola Santa Maria (Santiago, Chile), Nicole Stephanie Guajardo Contreras (Region Metropolitana de Santiago, Chile), Anselmo Enrique Roman Espinoza (Region Metropolitana de Santiago, Chile) and Fernando Matias Borquez Martinez (Region Metropolitana de Santiago, Chile).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrometallurgical process for processing metal ore includes a dynamic oxidative step in which the o...